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<?php |
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/* |
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* This file is part of the FOSHttpCache package. |
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* |
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* (c) FriendsOfSymfony <http://friendsofsymfony.github.com/> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace FOS\HttpCache\SymfonyCache; |
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use Http\Client\HttpAsyncClient; |
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use Http\Promise\FulfilledPromise; |
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use Psr\Http\Message\RequestInterface; |
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use Symfony\Bridge\PsrHttpMessage\Factory\DiactorosFactory; |
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use Symfony\Bridge\PsrHttpMessage\Factory\HttpFoundationFactory; |
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use Symfony\Component\HttpFoundation\Request; |
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use Symfony\Component\HttpKernel\HttpKernelInterface; |
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use Zend\Diactoros\ServerRequest; |
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/** |
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* An implementation of HttpAsyncClient that allows direct routing through the |
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* Symfony HttpCache kernel without executing a real HTTP request. |
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* It uses the HttpFoundationFactory and the Zend DiactorosFactory to convert |
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* between PSR-7 requests and responses. Both are optional dependencies of this |
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* package thus existence of the respective classes is checked for in the |
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* constructor of this client. It is only needed if you have a single node |
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* setup of Symfony and serves as kind of a shortcut for easier configuration. |
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* If you use Varnish or have a multiple node Symfony setup, this class is entirely |
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* useless to you and you can happily ignore it. |
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* |
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* @author Yanick Witschi <[email protected]> |
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*/ |
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class KernelClient implements HttpAsyncClient |
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{ |
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/** |
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* @var HttpCacheAwareKernelInterface |
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*/ |
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private $kernel; |
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/** |
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* @var HttpFoundationFactory |
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*/ |
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private $httpFoundationFactory; |
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/** |
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* @var DiactorosFactory |
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*/ |
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private $psr7Factory; |
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/** |
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* KernelClient constructor. |
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* |
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* @param HttpCacheAwareKernelInterface $kernel |
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*/ |
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public function __construct(HttpCacheAwareKernelInterface $kernel) |
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{ |
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$this->kernel = $kernel; |
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if (!class_exists(HttpFoundationFactory::class)) { |
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throw new \RuntimeException('Install symfony/psr-http-message-bridge to use this client.'); |
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} |
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if (!class_exists(DiactorosFactory::class)) { |
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throw new \RuntimeException('Install zendframework/zend-diactoros to use this client.'); |
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} |
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$this->httpFoundationFactory = new HttpFoundationFactory(); |
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$this->psr7Factory = new DiactorosFactory(); |
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} |
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/** |
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* Converts a PSR-7 request to a Symfony HttpFoundation request, runs |
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* it through the HttpCache kernel and converts the response back to a PSR-7 |
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* response. |
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* |
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* {@inheritdoc} |
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*/ |
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public function sendAsyncRequest(RequestInterface $request) |
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{ |
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$symfonyRequest = Request::createFromGlobals(); |
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$symfonyRequest->server->set('REMOTE_ADDR', '127.0.0.1'); |
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$query = []; |
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$parts = explode('&', $request->getUri()->getQuery()); |
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foreach ($parts as $part) { |
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$chunks = explode('=', $part, 2); |
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$query[$chunks[0]] = $chunks[1]; |
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} |
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$serverRequest = new ServerRequest( |
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$symfonyRequest->server->all(), |
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[], |
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$request->getUri(), |
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$request->getMethod(), |
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$request->getBody(), |
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$request->getHeaders(), |
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$symfonyRequest->cookies->all(), |
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$query |
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); |
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$symfonyRequest = $this->httpFoundationFactory->createRequest($serverRequest); |
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$symfonyResponse = $this->kernel->getHttpCache()->handle($symfonyRequest, HttpKernelInterface::MASTER_REQUEST, false); |
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$psrResponse = $this->psr7Factory->createResponse($symfonyResponse); |
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return new FulfilledPromise($psrResponse); |
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} |
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} |
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FriendsOfSymfony /
FOSHttpCache
